A New Heat-resistant Pak-choi Cultivar‘Xinxiaqing 5’

doi:10.16420/j.issn.0513-353x.2017-0422

ACTA HORTICULTURAE SINICA ›› 2018, Vol. 45 ›› Issue (4): 807-808.doi: 10.16420/j.issn.0513-353x.2017-0422

• New Cultivars • Previous Articles Next Articles

A New Heat-resistant Pak-choi Cultivar‘Xinxiaqing 5’

LI Xiaofeng，ZHU Hongfang，ZHU Yuying*，and HOU Ruixian

Institute of Horticultural Research，Shanghai Academy of Agricultural Sciences，Shanghai Key Lab of Protected Horticultural Technology，Shanghai 201106，China

Online:2018-04-25 Published:2018-04-25

Abstract

Abstract:

‘Xinxiaqing 5’is a new heat-resistant pak-choi hybrid by crossing two self-incompatible lines‘323-147’and‘309-505’with homozygous genotype and excellent traits. The plant is erect with compact plant type and vigorous growth,with glossy green outer leaves and wide-long green petiole. It showed heat resistance，disease resistance（such as virus and downy mildew disease）and high quality. It could be harvested at 15–40 days after seeding and its average yield could be up to 25 350 kg · hm-2 at 35 days after seeding. It is suitable for cultivation in Shanghai and the similar ecological conditions in Yangtze River middle and lower reaches in summer and early autumn.

Key words: pak-choi, heat-resistant, hybrid, cultivar

CLC Number:

S 634.3

LI Xiaofeng，ZHU Hongfang，ZHU Yuying*，and HOU Ruixian. A New Heat-resistant Pak-choi Cultivar‘Xinxiaqing 5’[J]. ACTA HORTICULTURAE SINICA, 2018, 45(4): 807-808.

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A New Heat-resistant Pak-choi Cultivar‘Xinxiaqing 5’

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